The Week in Politics; David Ignatius; Roger Altman; Larry Sabato

A report on the week in politics with Al Hunt of Bloomberg News and Mike Allen, co-founder of Axios Media. David Ignatius of the Washington Post on changes in China and President Trump's upcoming visit. Investor Roger Altman discusses Trump's tax plan, income inequality, and the economy. A look at newly released government files regarding the assassination of President John F. Kennedy.